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- Amphibole - Wikipedia
Amphibole ( ˈæmfəboʊl AM-fə-bohl) is a group of inosilicate minerals, forming prism or needlelike crystals, [1] composed of double chain SiO 4 tetrahedra, linked at the vertices and generally containing ions of iron and or magnesium in their structures
- Amphibole | Structure, Composition Uses | Britannica
Amphibole, from the Greek amphibolos, meaning “ambiguous,” was named by the famous French crystallographer and mineralogist René-Just Haüy (1801) in allusion to the great variety of composition and appearance shown by this mineral group
- Amphibole Supergroup: Mineral information, data and localities.
The name amphibole (Greek αμφιβολος - amphibolos meaning 'ambiguous') was used by René Just Haüy to include tremolite, actinolite, tourmaline, and hornblende
- Amphibole | Common Minerals
Amphibole minerals’ defining characteristics are their dark color, hardness and well-developed cleavage These usually serve to distinguish them from most other common rock-forming minerals with the exception of the pyroxene mineral group
- Amphibole Minerals: Properties, Types, and Geological Significance
Comprehensive guide to amphibole minerals, their types, properties, occurrence in rocks and sand, and economic importance
- Introduction to Amphibole Group Minerals - MineralExpert. org
The amphibole supergroup is a group of more then hundred rock-forming silicates This article provides general introduction to structure, physical properties and chemical composition of amphiboles
- Amphibole Minerals: Types, Formation, Global Occurrence Value . . .
Amphibole is a diverse group of inosilicate minerals that are key components in many igneous and metamorphic rocks Their prismatic or needle-like crystals, variety of colors, and unique structures make them fascinating for collectors, geologists, and enthusiasts
- Amphiboles - ALEX STREKEISEN
The mineral nomenclature of the amphiboles is divided into four principal subdivisions based on B-group cation occupancy: (1) the iron-magnesium-manganese amphibole group, (2) the calcic amphibole group, (3) the sodic-calcic amphibole group, and (4) the sodic amphibole group
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